🔰compiler control statement

🚧 施工中

Swift ⟩ concept ⟩ statement ⟩ compiler

allow the program to

• change aspects of the compiler’s behavior

• and include a conditional compilation block

• and a line control statement.

🔴 主題

• conditional compilation block (#if ... #endif) 🚧

• line control statement (#sourceLocation) 🚧

• compile-time diagnostic statement (#error, #warning) 🚧

⭐️ 重點

GRAMMAR OF A COMPILER CONTROL STATEMENT

• compiler-control-statement → conditional-compilation-block

• compiler-control-statement → line-control-statement

• compiler-control-statement → diagnostic-statement

📘 手冊

• Statements